Math

- 7x - 3 = - x + 21

Asked by AnneS2 12 years ago 10/21/2013 7:35 AM

Last updated by anonymous 12 years ago 10/22/2013 11:41 AM

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Answered by CherieS 12 years ago 10/22/2013 11:41 AM

- 7x - 3 = - x + 21

- 7x - 3+x = - x +x+ 21

-6x-3=21

-6x-3+3=21+3

-6x=24

-6x/-6=24/-6

x=-4